Question : What can I do to make mysql use the expected indices? I’ve got 4 tables, two containing resources, […]
Tag: clustered-primary-key
MySQL – Optimal indexing for a lookup table. HASH index, BTREE index or composite PK?
Question : Let’s say I have a very large lookup table that looks like this: CREATE TABLE `MyLookup` ( `FKToTableA` […]
Should I use a surrogate key in a mapping table?
Question : I am deploying a mapping table which connects Items to ItemGroups Though an Item will only ever be […]
Deleting rows from table where values less than an aggregate value
Question : I’m attempting to remove duplicates from a table. CREATE TABLE media_views ( `companyid` INT (11) NOT NULL, `channel` […]
Should I use a surrogate key in a mapping table?
Question : I am deploying a mapping table which connects Items to ItemGroups Though an Item will only ever be […]
How does InnoDB represent composite integer keys?
Question : Let’s say I have the following table: Create Table Orders(server : tiny int, ticket : integer, primary key […]
Reindexing Clustered Primary Key
Question : We need to reindex a Clustered Primary Key on quite a large table. Here is the definition of […]
Single Clustered Index Concept
Question : Lets suppose we create a table called “SampleTable” and made “ID” column a primary key. SQL Server by […]
Reindexing Clustered Primary Key
Question : We need to reindex a Clustered Primary Key on quite a large table. Here is the definition of […]